private async Task CreateCaseNumbersPublishedEvent(string url, HttpClient client)
{
var request = new HttpRequestMessage(HttpMethod.Get, url);
var response = await client.SendAsync(request);
if (response.IsSuccessStatusCode)
{
var content = await response.Content.ReadAsStringAsync();
var model = JsonConvert.DeserializeObject <ArcGisResponse>(content);
if (model.features.Any())
{
var caseNumbers = model.features.FirstOrDefault().attributes.ConfirmedCovidCases_sum;
var eventMessage = new CaseNumbersPublishedEvent(caseNumbers);
await _publishEndPoint.Publish(eventMessage);
_logger.LogInformation($"CaseNumbersPublihsedEvent for {eventMessage.Date.ToString("dd/MM/yyyy")} successfully queued");
}
else
{
_logger.LogInformation($"Unexpected ArcGis response received");
}
}
else
{
_logger.LogInformation($"Unsuccessful ArcGis response received");
}
}
private async Task <bool> CheckCaseNumbers(string url, HttpClient client)
{
client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _configuration["TwitterApiSettings:BearerToken"]);
var request = new HttpRequestMessage(HttpMethod.Get, url);
var response = await client.SendAsync(request);
if (response.IsSuccessStatusCode)
{
var content = await response.Content.ReadAsStringAsync();
var model = JsonConvert.DeserializeObject <TwitterResponse>(content);
var dateToSearchFor = DateTime.Now.AddDays(-1);
var dateText1 = dateToSearchFor.ToString("dd MMMM");
var dateText2 = dateToSearchFor.ToString("dd MMM");
var dateText3 = dateToSearchFor.ToString("d MMMM");
var dateText4 = dateToSearchFor.ToString("d MMM");
var latestCaseTweet = model.data.Where(x => (x.text.Contains(dateText1) ||
x.text.Contains(dateText2) ||
x.text.Contains(dateText3) ||
x.text.Contains(dateText4)) &&
x.text.Contains("confirmed cases")).OrderByDescending(y => y.id).FirstOrDefault();
if (latestCaseTweet != null)
{
var caseNumbers = ParseCaseNumbers(latestCaseTweet);
if (caseNumbers != -1)
{
var eventMessage = new CaseNumbersPublishedEvent(caseNumbers);
await _publishEndPoint.Publish(eventMessage);
_logger.LogInformation($"CaseNumbersPublihsedEvent for {eventMessage.Date.ToString("dd/MM/yyyy")} successfully queued");
_hostApplicationLifeTime.StopApplication();
return(true);
}
_logger.LogInformation($"Latest tweet identified but case numbers could not be parsed from it ");
//return true here to stop the worker service, no point in keeping it running if it's found a tweet for today but
//can't parse the case numbers from it
_hostApplicationLifeTime.StopApplication();
return(true);
}
return(false);
}
else
{
_logger.LogInformation($"Unsuccessful Twitter API response received");
return(false);
}
}
